RE: RE: SEVERE Data Corruption Problems

2011-02-11 Thread Dan Hendry
ow ? After the upgrade to 0.7 (assuming an 0.7 nightly build) did you run anything like nodetool repair ? Have you tried asking on the #cassandra IRC room to see if their are any comitters around ? Aaron On 11 Feb, 2011,at 01:18 PM, Dan Hendry wrote: Upgraded one node to 0

RE: SEVERE Data Corruption Problems

2011-02-10 Thread Dan Hendry
gt; > -  disk_access_mode: mmap_index_only > > -  concurrent_reads: 12 > > -  concurrent_writes: 2 (was 32, but I dropped it to 2 to try and > eliminate any mutation race conditions – did not seem to help) > > -  sliced_buffer_size_in_kb: 1

RE: SEVERE Data Corruption Problems

2011-02-09 Thread Dan Hendry
eful if you can provide some kind of test harness where you can say "point this at a cluster and within a few hours On Wed, Feb 9, 2011 at 4:31 PM, Dan Hendry wrote: > I have been having SEVERE data corruption issues with SSTables in my > cluster, for one CF it was happening almost daily (I